Figure 8. — RlKdiipliiihidcliiinii iithi Hficii m n. sp. a, lateral view of anterior end ; l>. posterior view of 1st foot; c, postei'ior 

 view of 40th foot; d, comb-seta; e, winded capillary seta; f. tip of enlai-yvd aciculuni of 'Jd foot; R. pseudoconi- 

 pound seta of 2d foot; h, bidentate acicular seta. 



and Ehlers' figures (pi. 17 Fig. 1-5 and pi. 18 

 Fig. 1-9) show the dorsal cirri of the first three 

 feet arising halfway along the .setigerous lobes; 

 the maxillae have fewer teeth and the spinules 

 on the shafts of the pseudocompound hooks 

 are no longer than the thickness of the shaft 

 itself, whereas those of R. titUuiticii ni are 

 double this. In R. clunii the gills start on the 

 r2th foot, the first three feet do not extend 

 beyond the head and the ventral cirri become 

 stout glandular swellings on the 4th foot. 



Records.— Off Beaufort in '20 and 120 m (*). 



Onuphis (Nolhria) conchylega Sars, 1835 



Oiiiipliis co)ichyle<j(i. - Fauvel, 1923: 415, Fig. 



164. 

 Notliria canchylefia. - Hartman, 1944a: 85, Fig. 



105-112. - 1968: 678, Fig. 1-6. 



Oiiiipliis (N(itliria) ri)iicln/l('()a. - Pettibone, 



1963a: 246, Fig. 65a, pi. 17: Fig. 337-338. - 

 Day. 1967: 425, Fig. 17.13. k-p. 



/?(.H,«r/.-.s-.— Pettibone (1970b, 251) has re- 

 defined N(itli)-ia Malmgren and has di.scu.s.sed 

 its controversial status and the characters 

 which distinguish it from Oiuipliis Sars, stress- 

 ing the modification of the first two feet in addi- 

 tion to the single branchial filaments. She has 

 assigned two species to Notln-la as amended. 

 Unfortunately the modification of the anterior 

 feet in Oiiiiplils varies from one species to 

 another; this applies to their size and the degree 

 to which they are rotated forwards, the number 

 of feet with cirriform ventral cirri and the de- 

 velopment of the hood over the pseudocom- 

 pound hooks. Similarly, .some species which 

 have a pectinate series of branchial filaments 

 in the adult have only single filaments in juve- 

 niles. In view of these variations. I feel that it 

 is more correct as well as more convenient to 

 retain Notlwia as a subgenus which usefully 



56 



